Hormonal or androgenic hormone or testosterone. Hormones known as androgen increase the produce of oil in your Dermafolia. Men usually have more hormonal produce of androgen, especially during puberty when hormonal production enhances dramatically. Females also have androgen but not in the larger amounts of males. As oil enhances acne enhance accordingly. Another big culprit is using make-up. Make-up can stay away from the skin pores of greasy Dermafolia improving acne. 

http://www.skinsephora.com/dermafolia-skin-serum/